Force Equilibria Between Charged Surfaces with Confined Polyelectrolyte Chains

  • R. Podgornik
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 66)


The forces in a system composed of two charged (membrane) surfaces are studied, effected by the addition of an infinitely long, flexible polymeric chain carrying charges of the sign opposite to the sign of the fixed surface charges. The conformation of the polymeric chain as a function of the intermembrane separation clearly displays the onset of the unbinding transition of the polymer analogous to the one observed in a system of deformable, fluid membranes. This transition couples with the usual double layer forces in such a way that the total intermembrane force can become attractive.


Total Free Energy Hartree Equation DLVO Theory Flexible Polymeric Chain Polyelectrolyte Chain 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • R. Podgornik
    • 1
  1. 1.Theoretical Physics DepartmentJ. Stefan InstituteLjubljanaSlovenia

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